PRE-RELEASE
Brake Warning System Description and Operation
| Brake Warning System Description and Operation |
| Brake System Indicators and Driver Information Center Messages |
Brake Warning Indicator
The instrument cluster turns the brake warning indicator ON when the following occurs:
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The instrument cluster performs the bulb check. The brake warning indicator illuminates for 5 s.
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The electronic brake control module (EBCM) detects a faulty pump motor, solenoid valves, an internal hardware failure or a too high or too low battery voltage and sends a serial data message to the instrument cluster requesting illumination.
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The body control module (BCM) detects that the parking brake is engaged. The instrument cluster receives a serial data message from the BCM requesting illumination.
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BRAKE FLUID LOW Message
When the EBCM detects a too low brake fluid level it sets DTC C0267 and sends a serial data message to the instrument cluster, which will display the following message:
BRAKE FLUID LOW
